Home / 261,826.35-361,318.08-159,830.34

Finding the Fourth Proportional to 261,826.35, 361,318.08 and 159,830.34

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Solution

The fourth proportional to 261,826.35, 361,318.08 and 159,830.34 is: 220,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,826.35 : 361,318.08 = 159,830.34 : x
  2. Step 2: Convert to fraction form
    261,826.35/361,318.08 = 159,830.34/x
  3. Step 3: Cross multiply
    261,826.35x = 361,318.08 × 159,830.34
  4. Step 4: Simplify right side
    261,826.35x = 57,749,591,574.55
  5. Step 5: Solve for x
    x = 57,749,591,574.55/261,826.35
  6. Step 6: Final answer
    x = 220,564.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.